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WSCG
2004

Visual Hull Rendering with Multi-view Stereo Refinement

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Visual Hull Rendering with Multi-view Stereo Refinement
We present a system for rendering novel viewpoints from a set of calibrated and silhouette-segmented images using the visual hull together with multi-view stereo. The visual hull predicted from the object silhouettes is used to restrict the search range of the multi-view stereo. This reduces redundant computation and the possibility of incorrect matches. Unlike previous visual hull approaches, we do not need to recover a polyhedral model. Instead, the visual hull is implicitly described by the silhouette images and synthesized using their projections onto a set of planes. This representation allows an efficient implementation on current pixel-shader graphics cards, yielding frames at interactive rates. We also introduce a library of image filters to improve rendering results along edges and silhouette profiles. Keywords Visual Hull, Multi-View Stereo, Fragment Shader
Yang Liu, George Chen, Nelson Max, Christian Hofse
Added 31 Oct 2010
Updated 31 Oct 2010
Type Conference
Year 2004
Where WSCG
Authors Yang Liu, George Chen, Nelson Max, Christian Hofsetz, Peter McGuinness
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